from flask import current_app
from flask import g, jsonify
from flask import redirect
from flask import render_template
from flask import request
from flask import session

from info import constants
from info import db
from info.models import Category, News
from info.modules.profile import profile_blu
from info.utils.captcha.response_code import RET
from info.utils.common import user_login_data
from info.utils.image_storage import storage


@profile_blu.route('/news_list')
@user_login_data
def news_list():
    p = request.args.get('p', 1)
    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        p = 1

    user = g.user
    news_li = []
    current_page = 1
    total_page = 1

    try:
        paginate = News.query.filter(News.user_id == user.id).paginate(p, constants.USER_COLLECTION_MAX_NEWS, False)
        news_li = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

    news_dict_li = []
    for news_item in news_li:
        news_dict_li.append(news_item.to_review_dict())

    data = {
        "news_list": news_dict_li,
        "total_page": total_page,
        "current_page": current_page
    }

    return render_template('news/user_news_list.html', data=data)


@profile_blu.route('/news_release', methods=['GET', 'POST'])
@user_login_data
def news_release():
    """新闻发布"""
    if request.method == 'GET':
        # 新闻分类
        categories = []
        try:
            categories = Category.query.all()
        except Exception as e:
            current_app.logger.error(e)

        categories_dicts = []
        for category in categories:
            categories_dicts.append(category.to_dict())

        categories_dicts.pop(0)

        data = {
            "categories": categories_dicts
        }

        return render_template('news/user_news_release.html', data=data)

    # 1. 获取要提交的数据
    title = request.form.get("title")
    source = "个人发布"
    digest = request.form.get("digest")
    content = request.form.get("content")
    index_image = request.files.get("index_image")
    category_id = request.form.get("category_id")
    # 1.1 判断数据是否有值
    if not all([title, source, digest, content, index_image, category_id]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    try:
        index_image = index_image.read()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    try:
        key = storage(index_image)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR, errmsg='上传图片失败')

    # 初始化新闻模型，并设置参数
    news = News()
    news.title = title
    news.digest = digest
    news.source = source
    news.content = content
    news.index_image_url = constants.QINIU_DOMIN_PREFIX + key
    news.category_id = category_id
    news.user_id = g.user.id
    # 1代表待审核状态
    news.status = 1

    # 4. 保存到数据库
    try:
        db.session.add(news)
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg="保存数据失败")

    return jsonify(errno=RET.OK, errmsg="发布成功，等待审核")


@profile_blu.route('/collection')
@user_login_data
def user_collection():
    """新闻收藏"""
    p = request.args.get('p', 1)
    try:
        p = int(p)
    except Exception as e:
        current_app.logger(e)
        p = 1

    user = g.user
    collections = []
    current_page = 1
    total_page = 1

    try:
        paginate = user.collection_news.paginate(p, constants.USER_COLLECTION_MAX_NEWS, False)

        collections = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)
    print(paginate)
    print(collections)
    collection_dict_li = []

    for news in collections:
        collection_dict_li.append(news.to_basic_dict())
    print(collection_dict_li)
    data = {
        "total_page": total_page,
        "current_page": current_page,
        "collections": collection_dict_li
    }

    return render_template('news/user_collection.html', data=data)


@profile_blu.route('/pass_info', methods=["GET", "POST"])
@user_login_data
def pass_info():
    """密码修改"""
    if request.method == 'GET':
        return render_template('news/user_pass_info.html')

    old_password = request.json.get('old_password')
    new_password = request.json.get('new_password')

    if not all([old_password, new_password]):
        return jsonify(errno=RET.PARAMERR, errmsg='参数不全')

    user = g.user

    if not user.check_passowrd(old_password):
        return jsonify(errno=RET.PWDERR, errmsg='原密码错误')

    user.password = new_password

    return jsonify(errno=RET.OK, errmsg='OK')


@profile_blu.route('/pic_info', methods=["GET", "POST"])
@user_login_data
def pic_info():
    """上传头像"""
    user = g.user
    if request.method == "GET":
        return render_template('news/user_pic_info.html', data={"user_info": user.to_dict()})

    # 1. 获取到上传的文件
    try:
        avatar_file = request.files.get("avatar").read()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="读取文件出错")

    # 2. 再将文件上传到七牛云
    try:
        url = storage(avatar_file)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR, errmsg="上传图片错误")

    user.avatar_url = url
    # 4. 返回上传的结果<avatar_url>
    return jsonify(errno=RET.OK, errmsg="OK", data={"avatar_url": constants.QINIU_DOMIN_PREFIX + url})


@profile_blu.route('/base_info', methods=["GET", "POST"])
@user_login_data
def base_info():
    """
    用户基本信息
    1. 获取用户登录信息
    2. 获取到传入参数
    3. 更新并保存数据
    4. 返回结果
    :return:
    """

    # 1. 获取当前登录用户的信息
    user = g.user
    if request.method == "GET":
        return render_template('news/user_base_info.html', data={"user_info": user.to_dict()})

    # 2. 获取到传入参数
    data_dict = request.json
    nick_name = data_dict.get("nick_name")
    gender = data_dict.get("gender")
    signature = data_dict.get("signature")
    if not all([nick_name, gender, signature]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    if gender not in(['MAN', 'WOMAN']):
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    # 3. 更新并保存数据
    user.nick_name = nick_name
    user.gender = gender
    user.signature = signature
    try:
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg="保存数据失败")

    # 将 session 中保存的数据进行实时更新
    session["nick_name"] = nick_name

    # 4. 返回响应
    return jsonify(errno=RET.OK, errmsg="更新成功")


@profile_blu.route('/info')
@user_login_data
def get_user_info():
    """获取用户信息"""
    user = g.user
    if not user:
        # 用户未登录就重定向到主页
        return redirect('/')

    data = {
        'user_info': user.to_dict()
    }

    return render_template('news/user.html', data=data)